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Two charges are placed between the plates of a parallel plate capacitor. One charge is +q1 and the other is q2 = +5.12C. The charge per unit area on each plate has a magnitude of = 1.71 × 10-4 C/m2. The force on q1 due to q2 equals the force on q1 due to the electric field of the parallel plate capacitor. What is the distance r between the two charges?
An electric field of 130000 N/C points due west at a certain spot. What is the magnitude of the force that acts on a charge of -9.9C at this spot
For the reaction, calculate how many moles of the product form when 0.036 mol of O2 completely reacts.
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. What is the net charge of all these electrons
A plate carries a charge of -2 ?C, while a rod carries a charge of 3.50 ?C. How many electrons must be transferred from the plate to the rod
A car of mass = 1200kg traveling at 55.0km/hr enters a banked turn covered with ice. What is the radius r of the turn
Why is a melting point of an impure compound depressed and its range is increased when you compare it to the pure compound
A ball of mass .05 kg moves with a velocity (17, 0, 0) m/s. It strikes a ball of mass .1 kg that is initially at rest. cWhat is the velocity of the lighter ball after impact
You tie a cord to a pail of water, and you swing the pail in a vertical circle of radius 0.600m. What minimum speed must you give the pail
Zinc(II) sulfide reacts with oxygen according to the reaction- How many moles of oxygen will be required to react with ZnS
All the differences and similarities of the punnet squares cases and when they cross over all the possibilities. Dihybrid crosses the principles of independentassortment all hte possibilities. Extension to mendel
A lens for a 35-mm camera has a focal length given by f = 47 mm. What is the magnification of the image on the film
What is the root-mean-square speed of chlorine gas molecules at a temperature of 320 K? (R = 8.31 J/mol×K, NA = 6.02 ¥ 1023, and the molecular mass of Cl2 = 71)
A small mailbag is released from a helicopter that is descending steadily at 1.75 m/s. After 5.00 s, what is the speed of the mailbag
Your temperature is 98.4 degrees fahrenheit. what is the wavelength corresponding to the largest intensity
A 5.61-mm-high firefly sits on the axis of, and 10.3 cm in front of, the thin lens A, whose focal length is 6.99 cm. Is this image upright or inverted with respect to the firefly
A cylindrical copper cable carries a current of 1290 A. There is a potential difference of 1.60 10-2 V, What is the radius of the cable
a block of mass m1=8 rests on a frictionless surface and is attached to a light cord that is wrapped around a solid cylinder of mass m2, radius r=.130 m and moment of inertia I=1/2m2R^2.
The cylindrical space station, 200 m in diameter rotates in order to give artificial gravity of 3.0 g for the occupants. How much time does it take, in seconds, to complete one revolution.
At the beginning of the interval the astronaut is moving toward the right along the x-axis at 15.40, and at the end of interval she is moving toward the right at 5.40.
A 7.9-m long string is moved up and down with simple harmonic motion with a frequency of 91 Hz. Determine the velocity of the wave on the sting
The Sun revolves around the center of the Milky Way Galaxy at a distance of about 30,000 light-years from the center, how many stars would there be in our Galaxy
You are given a galvanometer with a resistance of 17.3 ? and a full scale deflection current of 8.42 mA. Find the maximum current the ammeter is capable of reading
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